CN114421187A - Wire harness fixing sleeve, crimping tool, crimping effect testing device and method - Google Patents
Wire harness fixing sleeve, crimping tool, crimping effect testing device and method Download PDFInfo
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- CN114421187A CN114421187A CN202210217616.9A CN202210217616A CN114421187A CN 114421187 A CN114421187 A CN 114421187A CN 202210217616 A CN202210217616 A CN 202210217616A CN 114421187 A CN114421187 A CN 114421187A
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- wire harness
- crimping
- deformation
- opening
- blade
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
- H01R4/20—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/14—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by dead weight, e.g. pendulum; generated by springs tension
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
- H01R4/183—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
- H01R43/048—Crimping apparatus or processes
Abstract
The invention discloses a wire harness fixing sleeve, a crimping tool and a crimping effect testing device and method, wherein the wire harness fixing sleeve comprises a connecting piece and a crimping piece, and one end of the connecting piece is provided with a connecting part connected with a movement mechanism; the wire harness fixing sleeve is characterized in that a vertical opening and a horizontal opening are formed in the crimping piece, the crimping tool of the wire harness fixing sleeve comprises a first assembly and a second assembly, and the first assembly comprises a first wire pressing block, a first die pressing blade and a first locking cushion block; the second assembly comprises a second line pressing block, a second die pressing blade and a second locking cushion block; the first component and the second component are arranged oppositely, so that the first deformation maintaining port and the second deformation maintaining port are arranged oppositely, and the static pressure test is adopted for the crimping effect test.
Description
Technical Field
The invention relates to a wire harness fixing piece, crimping equipment, a crimping effect testing device and a method, and belongs to the technical field of wire harnesses.
Background
Generally, wire harness crimping refers to wire harness terminal crimping, and mainly comprises the step of pressing and connecting a wire inside a wire harness and a connecting terminal through a crimping mode at the end of the wire harness to form a connecting terminal and then connecting the connecting terminal with other parts. There is also a method of crimping another wire in a lead-out or lead-in manner from the middle of the wire harness. The crimping method is mainly characterized in that the wiring terminal is wrapped on a wire in a wire harness, and the wiring terminal is subjected to plastic deformation and is firmly jointed with the wire by applying external pressure. The crimping equipment is mainly divided into manual mechanical crimping pliers, manual hydraulic crimping pliers, electric crimping pliers, special crimping equipment and the like according to different crimping forces required by the specifications and sizes of wire harnesses.
Since the wire harness is generally in a fixed or stationary state and plays a role of conduction or connection, the conventional wire harness crimping is mainly directed to terminal fixing of the fixed terminal. For a wire harness requiring displacement, two ends of the wire harness are generally connected as connection terminals, wherein one end is a fixed end and the other end is a movable end. Therefore, the wiring harness is often required to be divided into a plurality of sections, the design and use cost is increased, and particularly for the wiring harness with signal transmission, the increase of the connecting position has great influence on the signal transmission.
In order to meet the special requirements of wire harness demand point movement, signal transmission quality and wire harness integration, a set of special tool for directly crimping the wire harness and a corresponding wire harness crimping effect test method need to be designed for effect verification. The crimping mode can be used for crimping and fixing any point of the wire harness, can adjust the crimping effect and ensures that enough crimping deformation can be achieved to prevent the crimping position from loosening when the wire harness is pulled. The crimping effect test method and the tooling can directly test and verify various crimping forces required to be achieved.
Along with the increase of the user demand of automation equipment such as robots, also more and more diversified to the use pattern that the pencil removed and contracts, it is fixed with removal shrink mechanism to generally use terminal sectional type to connect, and the fixed and removal shrink mode of common pencil can not satisfy some elasticity shrink and the higher demand of signal quality requirement, and the connection pattern of common use can not guarantee the high quality of pencil wholeness and signal. A special wire harness crimping type is needed to crimp the wire harness without damaging the integrity of the wire harness, and the moving and shrinking requirements of the required section of the wire harness are met. In addition, a set of special verification mode is needed to verify the crimping effect, so that the reliability of crimping is ensured.
Disclosure of Invention
The purpose of the invention is as follows: in order to meet the special requirements of movement of a wire harness demand point, signal transmission quality and wire harness integration, the invention provides a wire harness fixing sleeve, a crimping tool, a crimping effect testing device and a method.
The technical scheme is as follows: in order to achieve the purpose, the invention adopts the technical scheme that:
a wire harness fixing sleeve can penetrate a wire harness and is fixed in any position through compression joint, integrity of the wire harness is guaranteed, and meanwhile, one end of the fixing sleeve is provided with a connecting portion which can be used as a movable connection butt joint. The device comprises a connecting piece and a crimping piece, wherein one end of the connecting piece is provided with a connecting part connected with a movement mechanism, and the other end of the connecting piece is connected with the crimping piece. The crimping piece is provided with a vertical opening and a horizontal opening, the horizontal opening penetrates through the crimping piece, the vertical opening is arranged at one end, adjacent to the connecting piece, of the crimping piece, and the horizontal opening is used as a contraction opening of deformation of the crimping piece when the crimping piece generates plastic deformation, so that the crimping piece is contracted and fixed on the wire harness. The vertical opening is used for avoiding the compression joint deformation of the connecting piece.
Preferably: the connecting part is a threaded connecting part, a clamping connecting part, a buckling connecting part or a magic tape connecting part.
Preferably: the connecting piece and the crimping piece are made of steel thin-wall materials. Or the connecting piece and the crimping piece are made of alloy thin-wall materials. Or the connecting piece and the crimping piece are made of thin-wall plastic materials.
The invention also provides a crimping tool for the wire harness fixing sleeve, which can be used for crimping the wire harness fixing sleeve without damaging the integrity of the wire harness, the wire harness is pressed and connected, the moving and shrinking requirements of the wire harness requirement section are met, meanwhile, any point of the wire harness can be pressed and connected and fixed, and can adjust the crimping effect to ensure enough crimping deformation to ensure that the wire harness is not pulled to be not loosened at the crimping position, comprises a component I and a component II, the first component comprises a first wire pressing block, a first die pressing blade and a first locking cushion block, the first wire pressing block is provided with a first blade mounting groove and a first deformation maintaining port, the first locking cushion block is provided with a second deformation maintaining opening, the first die blade is arranged in the first blade mounting groove through the first locking cushion block, and the first deformation maintaining opening and the second deformation maintaining opening are communicated to form a first deformation maintaining opening, and the blade of the first die pressing blade is positioned between the outer side of the first deformation maintaining opening and the inner side of the first deformation maintaining opening. The second component comprises a second pressing line block, a second pressing die blade and a second locking cushion block, wherein a second blade mounting groove and a third deformation retaining port are formed in the second pressing line block, a fourth deformation retaining port is formed in the second locking cushion block, the second pressing die blade is mounted in the second blade mounting groove through the second locking cushion block, the third deformation retaining port and the fourth deformation retaining port are communicated to form a second deformation retaining port, and the blade edge of the second pressing die blade is located between the outer side of the second deformation retaining port and the inner side of the second deformation retaining port. The first component and the second component are arranged oppositely, so that the first deformation maintaining opening and the second deformation maintaining opening are arranged oppositely.
Preferably: the horizontal adjusting screw is used for adjusting the horizontal protruding distance of the blade of the second die blade.
Preferably: the horizontal adjusting device comprises a locking screw, and the locking screw is used for locking the horizontal adjusting screw.
Preferably: the first deformation retaining opening and the second deformation retaining opening are trapezoidal gaps, and when the first deformation retaining opening and the second deformation retaining opening are connected, the first deformation retaining opening and the second deformation retaining opening form a hexagonal through hole. Or the first deformation retaining opening and the second deformation retaining opening are semicircular gaps, and when the first deformation retaining opening and the second deformation retaining opening are connected, the first deformation retaining opening and the second deformation retaining opening form a circular through hole.
Preferably: the blade of the first die blade and the blade of the second die blade are tooth-shaped or flat-head-shaped.
The invention also provides a crimping effect testing device, which is used for testing the crimping effect of the wire harness fixing sleeves crimped at two ends of the wire harness and ensuring the reliability of crimping, and comprises a base, a bracket, a counterweight plate, a transverse plate, an upper fixing plate and a lower fixing plate, wherein:
the support mounting is on the base, the diaphragm is installed on the top of support, the upper fixed plate is used for installing on the diaphragm, just the upper fixed plate is used for being connected with the connecting piece of the fixed cover of pencil on pencil, and the bottom plate is used for being connected with the connecting piece of the fixed cover of pencil lower extreme. The counterweight plate is used for carrying out counterweight on the lower fixing plate, and further the counterweight on the harness fixing sleeves at the upper end and the lower end of the harness is realized.
The counterweight plate can select the wire harness bearing capacity, one end of the counterweight plate is fixed at the upper end of the tool, the other end of the counterweight plate is connected with the weight bearing end by pressing the wire harness fixing sleeve at two ends, and the counterweight weight plate can be arranged after being installed. The frock is placed for the mesa formula, but fixed design, and convenient test part is got and is put, is equipped with the guard plate.
Preferably: the transverse plate is provided with a wire harness through hole, and the diameter of the wire harness through hole is between the wire harness diameter and the connecting piece diameter of the wire harness fixing sleeve.
Preferably: including the anticreep sleeve, the counterweight plate is provided with the vertical perforation of counter weight and the horizontal opening of counter weight, just the vertical fenestrate diameter of counter weight is greater than the horizontal open-ended opening interval of counter weight. The anti-drop sleeve is arranged in the counterweight vertical through hole, and the wire harness is located in the anti-drop sleeve.
Preferably: the protective plate is arranged around the support, and the end covers are arranged at the end parts of the support.
The invention also provides a crimping effect test method, which is used for testing the crimping effect of the wire harness fixing sleeves crimped at two ends of the wire harness and ensuring the reliability of crimping, and comprises the following steps:
And 2, fixedly connecting the connecting piece of the wire harness fixing sleeve at the upper end of the wire harness with the upper fixing plate. And fixedly connecting the connecting piece of the wire harness fixing sleeve at the lower end of the wire harness with the lower fixing plate.
And 3, mounting the upper fixing plate on the transverse plate, and naturally dropping the lower fixing plate.
And 4, marking the initial positions of the wire harness fixing sleeves at the upper end and the lower end of the wire harness as initial marking positions.
And 5, placing the balance weight disc on the lower fixing plate according to the test weight requirement.
And 6, standing for fixing aging, removing the counterweight plate, checking whether the existing position deviates from the initial marking position, and meeting the use requirement if no deviation exists.
Preferably: the standing and fixing aging in the step 6 is 24 hours or 48 hours of standing.
Compared with the prior art, the invention has the following beneficial effects:
1. the wire harness fixing sleeve comprises a connecting piece and a pressing piece, wherein one end of the connecting piece is provided with a connecting part connected with a movement mechanism, and the other end of the connecting piece is connected with the pressing piece. The crimping piece is provided with a vertical opening and a horizontal opening, and the horizontal opening is used as a contraction opening for deformation of the crimping piece when the crimping piece generates plastic deformation, so that the crimping piece is contracted and fixed on the wire harness. Perpendicular opening is used for avoiding producing the crimping deformation to the connecting piece, consequently can penetrate the pencil and fix at the arbitrary position crimping, guarantees the wholeness of pencil, and fixed cover one end has been configured threaded connection simultaneously and can regard as the removal to connect the counterpoint and use.
2. According to the crimping tool for the wire harness fixing sleeve, disclosed by the invention, the fixing sleeve forms closed crimping and tooth-shaped deformation by applying pressure, so that the wire harness fixing sleeve can be reliably crimped. The blade of this crimping frock removable can be to demand crimping distance adjustment to but multiple width of adaptation. But this frock adaptation common use hydraulic pressure crimping tool can directly change the frock and use, removes the cost of preparation frock from, shortens the design preparation cycle, consequently can carry out the crimping under the prerequisite of not destroying the pencil wholeness to can adjust the crimping effect.
3. The crimping effect testing device provided by the invention is used for testing the crimping effect of the wire harness fixing sleeves crimped at the two ends of the wire harness, ensuring the reliability of crimping, and carrying out test verification of a preset purpose on various crimping effects.
Drawings
Fig. 1 is a schematic view of three-dimensional assembly of a wire harness fixing sleeve and a crimping tool.
Fig. 2 is an exploded view of the harness fixing sleeve and the crimping tool.
Fig. 3 is a three-dimensional perspective view of the crimping effect test fixture.
Fig. 4 is an exploded view of the crimping effect test fixture.
Fig. 5 is a schematic view of tooling installation.
Wherein, 1 is the fixed cover of pencil, 2 is line ball piece one, 3 is socket head cap screw, 4 is moulding-die blade one, 5 is locking cushion piece one, 6 is locking cushion piece two, 7 is moulding-die blade two, 8 is line ball piece two, 9 is the flat head holding screw, 10 is the base, 11 is the guard plate, 12 is the support, 13 is the balance weight disc, 14 is the anticreep sleeve, 15 is the pencil, 16 is the diaphragm, 171 is the upper fixed plate, 172 is the bottom plate, 18 is the end cover, 19 crimping frock, 20 hydraulic tong.
Detailed Description
The present invention is further illustrated by the following description in conjunction with the accompanying drawings and the specific embodiments, it is to be understood that these examples are given solely for the purpose of illustration and are not intended as a definition of the limits of the invention, since various equivalent modifications will occur to those skilled in the art upon reading the present invention and fall within the limits of the appended claims.
A wire harness fixing sleeve can penetrate a wire harness and is fixed in any position through compression joint, integrity of the wire harness is guaranteed, and meanwhile, one end of the fixing sleeve is provided with a connecting portion which can be used as a movable connection butt joint. As shown in fig. 1 and 2, the connecting piece and the crimping piece are made of thin-walled steel materials. In another embodiment of the invention, the connecting piece and the crimping piece are made of alloy thin-walled materials. In yet another embodiment of the present invention, the connecting member and the crimping member are made of thin-walled plastic material. The connecting piece is provided with a connecting part connected with the movement mechanism at one end and connected with the crimping piece at the other end, the connecting part is a threaded connecting part, in another embodiment of the invention, the connecting part is a clamping connecting part, in yet another embodiment of the invention, the connecting part is a buckling connecting part, and in yet another embodiment of the invention, the connecting part is a magic tape connecting part. The crimping piece is provided with a vertical opening and a horizontal opening, the horizontal opening penetrates through the crimping piece, the vertical opening is arranged at one end, adjacent to the connecting piece, of the crimping piece, and the horizontal opening is used as a contraction opening of deformation of the crimping piece when the crimping piece generates plastic deformation, so that the crimping piece is contracted and fixed on the wire harness. The vertical opening is used for avoiding the compression joint deformation of the connecting piece.
The invention also provides a crimping tool 19 of the wire harness fixing sleeve, which is used for crimping the wire harness on the premise of not damaging the integrity of the wire harness, meeting the moving and shrinking requirements of the required section of the wire harness, simultaneously crimping and fixing any point of the wire harness, adjusting the crimping effect, ensuring enough crimping deformation to ensure that the crimping position is not loosened when the wire harness is pulled, and comprises a first assembly and a second assembly, as shown in figure 1, wherein the first assembly comprises a first crimping block 2, a first die pressing blade 4 and a first locking cushion block 5, the first crimping block 2 is provided with a first blade mounting groove 21 and a first deformation retaining opening 22, the first locking cushion block 5 is provided with a second deformation retaining opening 51, the first locking cushion block 5 and the first die pressing blade 4 are mounted in the first blade mounting groove 21 through an inner hexagonal screw 3, and the first deformation retaining opening 22 and the second deformation retaining opening 51 are communicated to form the first deformation retaining opening, and the blade point of the first die blade 4 is positioned between the outer side of the first deformation retaining opening and the inner side of the first deformation retaining opening. The assembly comprises a horizontal adjusting screw, a second wire pressing block 8, a second die pressing blade 7, a second locking cushion block 6 and a locking screw, the second wire pressing block 8 is provided with a second blade mounting groove 81 and a third deformation maintaining port 82, the second locking cushion block 6 is provided with a fourth deformation maintaining port 61, the second die blade 7 is mounted in the second blade mounting groove 81 through the second locking cushion block 6, and the third deformation holding port 82 and the fourth deformation holding port 61 are communicated to form a second deformation holding port, and the blade point of the second die blade 7 is positioned between the outer side of the second deformation holding port and the inner side of the second deformation holding port, the horizontal adjusting screw 9 is used for adjusting the horizontal protruding distance of the blade of the second die blade 7, the anti-loosening screw is used for preventing loosening of the horizontal adjusting screw 9, and the horizontal adjusting screw and the anti-loosening screw are flat head set screws 9. The blade of the first die blade 4 and the blade of the second die blade 7 are tooth-shaped, and in another embodiment of the invention, the blade of the first die blade 4 and the blade of the second die blade 7 are flat-head-shaped. The first component and the second component are arranged oppositely, so that the first deformation maintaining opening and the second deformation maintaining opening are arranged oppositely. The first deformation retaining opening and the second deformation retaining opening are trapezoidal gaps, and when the first deformation retaining opening and the second deformation retaining opening are connected, the first deformation retaining opening and the second deformation retaining opening form a hexagonal through hole. In another embodiment of the present invention, the first deformation holding port and the second deformation holding port are semicircular notches, and when the first deformation holding port and the second deformation holding port are connected, the first deformation holding port and the second deformation holding port form a circular through hole.
When the crimping tool works, the first component and the second component move oppositely under the action of external force to extrude the wire harness fixing sleeve 1, and as shown in fig. 5, the crimping tool for the wire harness fixing sleeve of the embodiment can be directly used on an adjustable matched manual hydraulic clamp 20 in the market. Deformation begins to appear after the fixed cover 1 atress of pencil, owing to set up vertical opening and horizontal opening, the horizontal opening part atress of the fixed cover 1 of pencil is closed at first, and at the progressively closed in-process of horizontal opening simultaneously, the hexagonal breach (hexagon through-hole) that line ball piece one 2 and two 8 constitutions of line ball piece restrict the flattening deformation of the fixed cover 1 of pencil's pressurized vertical direction, ensure that it keeps circularly as far as possible at deformation in-process. When the pressed horizontal opening of the wire harness fixing sleeve 1 is in a closed state, the first pressing die blade 4 and the second pressing die blade 7 generate local pressure on the wire harness fixing sleeve, and are limited by the hexagonal notches of the first pressing line block 2 and the second pressing line block 8, and the first pressing die blade 4 and the second pressing die blade 7 continuously apply pressure on the wire harness fixing sleeve until the head of the blade is pressed into the wire harness fixing sleeve 1 to generate a pit. The first wire pressing block 2 and the second wire pressing block 8 are configured with reasonable hexagonal notch sizes, force can be applied to multiple points of the wire harness fixing sleeve in the force applying process to enable the wire harness fixing sleeve to generate an even deformation effect, and in the horizontal opening folding process of the wire harness fixing sleeve 1, the deformation direction of the wire harness fixing sleeve is limited to enable the wire harness fixing sleeve to be gradually folded. With the continuous action of the first die pressing blade 4 and the second die pressing blade 7, the protrusions which are arranged in a staggered mode are formed inside the wire harness fixing sleeve 1, the height of each protrusion is close to the thickness of the wire harness protection rubber, and wires inside the wire harness cannot be lost. The second die blade 7 is provided with four flat end holding screws 9 which are arranged up and down, wherein two of the four flat end holding screws 9 can adjust the protruding distance and are used for adjusting the pressing depth to be used for limiting, and the other two flat end holding screws 9 which have the adjusting function are used for preventing looseness by adopting a double-thread mode. The staggered protrusions of the wire harness fixing sleeve 1 limit the large friction force and movement of the wire harness, so that the pulling in the movement process can be met, and the wire harness is prevented from loosening in the movement process.
The utility model provides a crimping effect testing arrangement for the crimping is at the crimping effect of the fixed cover of pencil at pencil both ends, ensures the reliability of crimping, as shown in fig. 3, 4, includes base 10, guard plate 11, support 12, weight plate 13, anticreep sleeve 14, diaphragm 16, an upper fixed plate 171, a bottom plate 172, end cover 18, wherein:
the support 12 is installed on the base 10, the transverse plate 16 is installed on the top end of the support 12, a wire harness through hole is formed in the transverse plate 16, and the diameter of the wire harness through hole is between the wire harness diameter and the connecting piece diameter of the wire harness fixing sleeve. The upper fixing plate 171 is adapted to be mounted on the cross plate 16, and the upper fixing plate 171 is adapted to be connected to a connecting member of a wire harness fixing sleeve at an upper end of a wire harness, and the lower fixing plate 172 is adapted to be connected to a connecting member of a wire harness fixing sleeve at a lower end of the wire harness. The counterweight plate 13 is used for carrying out counterweight on the lower fixing plate 172, and further, counterweight on the harness fixing sleeves at the upper end and the lower end of the harness is realized. The counterweight plate 13 is provided with a counterweight vertical through hole and a counterweight horizontal opening, and the diameter of the counterweight vertical through hole is larger than the opening interval of the counterweight horizontal opening. The anti-falling sleeve 14 is arranged in the counterweight vertical through hole, and the wiring harness is located in the anti-falling sleeve 14. The protection plate 11 is arranged around the support 12, and the end cover 18 is arranged at the end part of the support 12.
The counterweight plate can select the wire harness bearing capacity, one end of the counterweight plate is fixed at the upper end of the tool, the other end of the counterweight plate is connected with the weight bearing end by pressing the wire harness fixing sleeve at two ends, and the counterweight weight plate can be arranged after being installed. The frock is placed for the mesa formula, but fixed design, and convenient test part is got and is put, is equipped with the guard plate.
The test mode is mainly static test of constant load, the test method is mainly to press-connect two wire harness fixing sleeves, a constant load is configured at one end, the other end is used as a fixed end, and the initial positions of two test pieces are marked for static test. The wire harness fixing sleeve 1 is generally kept still for 24 hours or 48 hours, whether the position of the wire harness fixing sleeve 1 deviates from the mark is checked after the preset time is reached, and the effect test is qualified without deviating. The test type is simple, two sample pieces can be tested simultaneously, and the test efficiency is high. The test device has good operation convenience and safety.
A crimping effect test method is used for testing the crimping effect of wire harness fixing sleeves crimped at two ends of a wire harness and ensuring the reliability of crimping, and comprises the following steps:
And 2, screwing the threaded end of the wire harness fixing sleeve at the upper end of the wire harness 15 into the threaded interface of the upper fixing plate 171, and fixedly connecting the threaded end and the threaded interface. After the anti-drop sleeve 14 is inserted, the threaded end of the harness fixing sleeve at the lower end of the harness is screwed into the threaded interface of the lower fixing plate 172 to be screwed and fixedly connected.
And step 3, the upper fixing plate 171 is installed on the transverse plate 16, the wire harness penetrates through the wire harness through hole, only the wire harness penetrates through the initial section of the wire harness through hole, the wire harness fixing sleeve 1 cannot be separated, and danger caused by separation of a heavy object can be prevented. The lower fixing plate 172 naturally falls.
And 4, marking the initial positions of the wire harness fixing sleeves at the upper end and the lower end of the wire harness 15 as initial marking positions after the assembly is placed.
And 6, after placing the balance weight with the determined specification, standing for fixed aging, wherein the standing for fixed aging is 24 hours, and the standing for fixed aging is 48 hours in another embodiment of the invention. And after the preset time efficiency is reached, removing the counterweight plate 13, checking whether the existing position deviates from the initial marking position, and if the existing position does not deviate, meeting the use requirement.
The wire harness fixing sleeve disclosed by the invention meets the requirements of higher requirements on elastic shrinkage and signal quality, and can ensure the integrity of the wire harness and the high quality of signals. The wire harness crimping tool provided by the invention is used for crimping the wire harness on the premise of not damaging the integrity of the wire harness, and meets the moving and shrinking requirements of the wire harness requirement section. The crimping effect testing device can test the crimping effect of the wire harness fixing sleeves crimped at the two ends of the wire harness, and ensures the reliability of crimping.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (14)
1. A wire harness fixing sleeve is characterized in that: the device comprises a connecting piece and a crimping piece, wherein one end of the connecting piece is provided with a connecting part connected with a movement mechanism, and the other end of the connecting piece is connected with the crimping piece; the crimping piece is provided with a vertical opening and a horizontal opening, the horizontal opening penetrates through the crimping piece, the vertical opening is arranged at one end of the crimping piece, which is adjacent to the connecting piece, the horizontal opening is used as a contraction opening of the deformation of the crimping piece when the crimping piece generates plastic deformation, so that the crimping piece is contracted and fixed on the wire harness; the vertical opening is used for avoiding the compression joint deformation of the connecting piece.
2. The wire harness fixing cover according to claim 1, wherein: the connecting part is a threaded connecting part, a clamping connecting part, a buckling connecting part or a magic tape connecting part.
3. The wire harness fixing cover according to claim 1, wherein: the connecting piece and the crimping piece are made of steel thin-wall materials; or the connecting piece and the crimping piece are made of alloy thin-wall materials; or the connecting piece and the crimping piece are made of thin-wall plastic materials.
4. A crimping tool based on the wire harness fixing sleeve of claim 1, characterized in that: the pressing die comprises a first component and a second component, wherein the first component comprises a first pressing line block (2), a first pressing die blade (4) and a first locking cushion block (5), a first blade mounting groove (21) and a first deformation retaining opening (22) are formed in the first pressing line block (2), a second deformation retaining opening (51) is formed in the first locking cushion block (5), the first pressing die blade (4) is mounted in the first blade mounting groove (21) through the first locking cushion block (5), the first deformation retaining opening (22) and the second deformation retaining opening (51) are communicated to form a first deformation retaining opening, and the blade point of the first pressing die blade (4) is located between the outer side of the first deformation retaining opening and the inner side of the first deformation retaining opening; the assembly II comprises a wire pressing block II (8), a die pressing blade II (7) and a locking cushion block II (6), wherein a blade mounting groove II (81) and a third deformation retaining port (82) are formed in the wire pressing block II (8), a fourth deformation retaining port (61) is formed in the locking cushion block II (6), the die pressing blade II (7) is mounted in the blade mounting groove II (81) through the locking cushion block II (6), the third deformation retaining port (82) and the fourth deformation retaining port (61) are communicated to form the deformation retaining port II, and the blade point of the die pressing blade II (7) is located between the outer side of the deformation retaining port II and the inner side of the deformation retaining port II; the first component and the second component are arranged oppositely, so that the first deformation maintaining opening and the second deformation maintaining opening are arranged oppositely.
5. The crimping tool of claim 4, wherein: the horizontal adjusting screw is used for adjusting the horizontal protruding distance of the blade of the second compression die blade (7).
6. The crimping tool of claim 5, wherein: the horizontal adjusting device comprises a locking screw, and the locking screw is used for locking the horizontal adjusting screw.
7. The crimping tool of claim 4, wherein: the first deformation retaining opening and the second deformation retaining opening are trapezoidal notches, and when the first deformation retaining opening and the second deformation retaining opening are connected, the first deformation retaining opening and the second deformation retaining opening form a hexagonal through hole; or the first deformation retaining opening and the second deformation retaining opening are semicircular gaps, and when the first deformation retaining opening and the second deformation retaining opening are connected, the first deformation retaining opening and the second deformation retaining opening form a circular through hole.
8. The crimping tool of claim 4, wherein: the blade of the first die blade (4) and the blade of the second die blade (7) are toothed or flat-head-shaped.
9. A crimping effect testing device based on the crimping tool of claim 1, which is used for testing the crimping effect of a wire harness fixing sleeve crimped at two ends of a wire harness, and is characterized in that: including base (10), support (12), weight plate (13), diaphragm (16), upper fixed plate (171), bottom plate (172), wherein:
the bracket (12) is arranged on the base (10), the transverse plate (16) is arranged at the top end of the bracket (12), the upper fixing plate (171) is arranged on the transverse plate (16), the upper fixing plate (171) is used for being connected with a connecting piece of a wire harness fixing sleeve at the upper end of a wire harness, and the lower fixing plate (172) is used for being connected with a connecting piece of a wire harness fixing sleeve at the lower end of the wire harness; the counterweight plate (13) is used for carrying out counterweight on the lower fixing plate (172), and further the counterweight on the harness fixing sleeves at the upper end and the lower end of the harness is realized.
10. The crimping effect test apparatus according to claim 9, characterized in that: the transverse plate (16) is provided with a wire harness through hole, and the diameter of the wire harness through hole is between the wire harness diameter and the connecting piece diameter of the wire harness fixing sleeve.
11. The crimping effect test apparatus according to claim 9, characterized in that: the anti-falling device comprises an anti-falling sleeve (14), wherein the counterweight plate (13) is provided with a counterweight vertical through hole and a counterweight horizontal opening, and the diameter of the counterweight vertical through hole is larger than the opening distance of the counterweight horizontal opening; the anti-falling sleeve (14) is arranged in the counterweight vertical through hole, and the wire harness is located in the anti-falling sleeve (14).
12. The crimping effect test apparatus according to claim 9, characterized in that: the protective plate is characterized by comprising a protective plate (11) and an end cover (18), wherein the protective plate (11) is arranged on the periphery of the support (12), and the end cover (18) is arranged on the end portion of the support (12).
13. A test method based on the crimping effect test device of claim 9, characterized by comprising the steps of:
step 1, selecting a wire harness (15), respectively penetrating a wire harness fixing sleeve (1) into two opposite ends of the wire harness (15), and keeping a connecting part of the wire harness fixing sleeve (1) towards the end part of the wire harness; the wire harness fixing sleeve (1) is pressed on the wire harness (15) by using a pressing tool;
step 2, fixedly connecting a connecting piece of a wire harness fixing sleeve at the upper end of a wire harness (15) with an upper fixing plate (171); fixedly connecting a connecting piece of a wire harness fixing sleeve at the lower end of a wire harness with a lower fixing plate (172);
step 3, mounting the upper fixing plate (171) on the transverse plate (16), and naturally dropping the lower fixing plate (172);
step 4, marking the initial positions of the wire harness fixing sleeves at the upper end and the lower end of the wire harness (15) as initial marking positions;
step 5, placing the balance weight disc (13) on the lower fixing plate (172) according to the test weight requirement;
and 6, standing for fixing aging, removing the counterweight plate (13), checking whether the existing position deviates from the initial marking position, and meeting the use requirement if no deviation exists.
14. The test method of claim 13, wherein: the standing and fixing aging in the step 6 is 24 hours or 48 hours of standing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210217616.9A CN114421187A (en) | 2022-03-07 | 2022-03-07 | Wire harness fixing sleeve, crimping tool, crimping effect testing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210217616.9A CN114421187A (en) | 2022-03-07 | 2022-03-07 | Wire harness fixing sleeve, crimping tool, crimping effect testing device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114421187A true CN114421187A (en) | 2022-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210217616.9A Pending CN114421187A (en) | 2022-03-07 | 2022-03-07 | Wire harness fixing sleeve, crimping tool, crimping effect testing device and method |
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| CN (1) | CN114421187A (en) |
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